# The Forest Reproductive Material (Great Britain) Regulations 2002, Paragraph 7: Health and Resistance:

Extent: E+W+S

Trees in stands must in general be free from attacks by damaging organisms and show resistance to any adverse climatic and site conditions in the place where they are growing, except that resistance to damage by pollution need not be demonstrated.

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Source: https://www.legislation.gov.uk/uksi/2002/3026/schedule/3/paragraph/7 (the official version)
Page: https://openlegislation.uk/forest-reproductive-material-great-britain-regulations-2002/schedule-3/paragraph-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.